this derivation will be built:
  /nix/store/0i9zpnlzxqb4fgrmd7gw2vva5y0skchw-treefmt-check.drv
building '/nix/store/0i9zpnlzxqb4fgrmd7gw2vva5y0skchw-treefmt-check.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/0i9zpnlzxqb4fgrmd7gw2vva5y0skchw-treefmt-check.drv'